Onchosaurus

Onchosaurus
Temporal range: Late Cretaceous,
Fossil vertebrae of Onchosaurus marocanus from Khouribga (Morocco)
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Subclass: Elasmobranchii
Order: Rajiformes
Suborder: Sclerorhynchoidei
Genus: Onchosaurus
Gervais, 1852
Type species
Onchosaurus radicalis
Gervais, 1852
Species
  • O. marocanus Arambourg, 1935
  • O. pharao (Dames, 1887)
  • O. radicalis Gervais. 1852 (type species)
Synonyms
  • Gigantichthys? Dames, 1887
  • Onchosaurus maroccanus Arambourg, 1935 (sic)
  • Titanichtys pharao Dames, 1887
  • Ischyrhiza iwakiensis Uyeno & Hasegawa, 1986
  • Onchosaurus iwakiensis Suárez & Cappetta, 2004
  • Onchopristis pharao Martill & Ibrahim, 2012

Onchosaurus is an extinct genus of sclerorhynchoid fish from the Late Cretaceous (84.9 to 66.043 million years ago). Its fossils have been found in the Cretaceous sediments of Egypt, Brazil, Congo, Morocco, France, Niger, Japan, Colombia, Chile, Peru and the United States.